lunahaddixmoon lunahaddixmoon

09-03-2018
Mathematics

contestada

PLEASE HELP
Find the solution of this system of equations
-5x=-21+6y
-5x+y=-84

Respuesta :

meredith48034 meredith48034

10-03-2018

-5x - 6y = -21
5x - y =. 84

-7y = 63

y= -9

-5x = -21 - 54

-5x = -75

x = 15

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